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Ítem Welfare-environmental quality tradeoffs of promoting use of certified seed potato in tropical highlands of Africa: Evidence from central highlands of KenyaOkello, Julius J.; Zhou, Yuan; Kwikiriza, Norman; Ogutu, Sylvester; Barker, Ian; Schulte-Geldermann, Elmar; Ahmed, Justin; Atieno, EllyÍtem Micro and meso-level issues affecting potato production and marketing in the tropical highlands of Sub-Saharan Africa: The known and the unknownsOkello, Julius J.; Kwikiriza, Norman; Kakuhenire, Rogers; Parker, Monica; Schulte-Geldermann, Elmar; Pambo, KennedyÍtem Effect of field multiplication generation on seed potato quality in Kenya.Schulte-Geldermann, Elmar; Wachira, G.; Ochieng, B.; Barker, IanÍtem Potato seed systems(Springer) Forbes, G.; Charkowski A; Andrade-Piedra, J.L.; Parker, M.; Schulte-Geldermann, ElmarÍtem Nitrogen and phosphorous uptake by potato (Solanum tuberosum L.) and their use efficiency under potato-legume intercropping systems(Elsevier) Gitari, H.I.; Karanja, N.; Gachene, C.K.K.; Kamau, S.; Sharma, K.; Schulte-Geldermann, ElmarÍtem Optimizing yield and economic returns of rain-fed potato (Solanum tuberosum L.) through water conservation under potato-legume intercropping systems(Elsevier) Gitari, H.I.; Gachene, C.K.K.; Kamau, S.; Nyawade, S.; Sharma, K.; Schulte-Geldermann, Elmar; Karanja, N.Ítem How big is the potato (Solanum tuberosum L.) yield gap in Sub-Saharan Africa and why? A participatory approach(Walter de Gruyter GmbH) Harahagazwe, D.; Condori, B.; Barreda, C.; Bararyenya, A.; Byarugaba, A.A.; Kude, D.A.; Lung'aho, C.; Martinho, C.; Mbiri, D.; Nasona, B.; Ochieng, B.; Onditi, J.; Randrianaivoarivony, J.M.; Tankou, C.M.; Worku, A.; Schulte-Geldermann, Elmar; Mares, V.; Mendiburu, F. de; Quiróz, R.Ítem Tackling bacterial wilt of potato in Ethiopia. Key messages. CIP Policy Brief 01.(International Potato Center) Sharma, K.; Woldegiorgis, G.; Tessema, L.; Desta, T.; Zegeye, W.; Teklu, M.A.; Abdurahman, A.; Lunt, T.; Smith, J.; Schulte-Geldermann, ElmarÍtem Current situation of rapid multiplication techniques for early generation seed potato production in Sub-Saharan Africa(International Potato Center) Harahagazwe, D.; Andrade-Piedra, J.L.; Parker, M.; Schulte-Geldermann, ElmarÍtem Assessment of farmers’ willingness to pay for quality seed using dynamic auctions: The case of smallholder potato growers in Tanzania.Okello, J.J.; Lagerkvist, Carl Johan; Kakuhenzire, R.; Parker, M.; Schulte-Geldermann, Elmar